Virtual Assistant Response Generation

4. The method of claim 1 wherein the graph database comprises one or more relationship graphs comprising the relationship data, the one or more relationship graphs comprising relationships between a plurality of nodes, wherein the relationships comprise edges of the one or more relationship graphs.

5. The method of claim 4 wherein the plurality of nodes comprise at least one of one or more persons, one or more domains, one or more sub-domains, one or more functions, one or more utilities and one or more activities.

6. The method of claim 5 wherein the relationships comprise interactions between respective pairs of the plurality of nodes.

7. The method of claim 4 wherein the one or more relationship graphs are in one of a resource description framework (RDF) format and a labeled property graph (LPG) format.

9. The method of claim 8 wherein the analyzing of the plurality of natural language inputs comprises determining at least one of intent and sentiment of the plurality of natural language inputs.

10. The method of claim 1 further comprising training the one or more machine learning models with data comprising at least one of a plurality of intents, a plurality of sentiments, a plurality of priorities and a plurality of contexts corresponding to respective ones of a plurality of actions.

11. The method of claim 1 wherein the at least one natural language input is in a speech format and the method further comprises converting the at least one natural language input from the speech format to a text format.

14. The method of claim 1 wherein the coordinating of communication between the at least one user and the one or more additional users comprises scheduling a conference between the at least one user and the one or more additional users.

16. The apparatus of claim 15 wherein the graph database comprises one or more relationship graphs comprising the relationship data, the one or more relationship graphs comprising relationships between a plurality of nodes, wherein the relationships comprise edges of the one or more relationship graphs.

17. The apparatus of claim 16 wherein the plurality of nodes comprise at least one of one or more persons, one or more domains, one or more sub-domains, one or more functions, one or more utilities and one or more activities.

20. The article of manufacture of claim 19 wherein the coordinating of communication between the at least one user and the one or more additional users comprises scheduling a conference between the at least one user and the one or more additional users.